We need a core Calypso engineer for hands-on development and configuration work across Money Market, FX, Fixed Income, Derivatives, and Collateral, who can equally support the platform in production – troubleshooting, root-causing, and fixing issues as part of application support. * Develop and customize Calypso using Core Java and BOL scripting – plug-ins, workflows, static data, and reports – across the Money Market, FX, Fixed Income, Derivatives, and Collateral modules.